if (ret < 0) { pr_err("Failed to prepare IPC namespace variables\n"); return -EFAULT; } return 0; } int prepare_ipc_ns(int pid) { int ret; pr_info("Restoring IPC namespace\n"); ret = prepare_ipc_var(pid); if (ret < 0) return ret; ret = prepare_ipc_shm(pid); if (ret < 0) return ret; ret = prepare_ipc_msg(pid); if (ret < 0) return ret; ret = prepare_ipc_sem(pid); if (ret < 0) return ret; return 0; } struct ns_desc ipc_ns_desc = NS_DESC_ENTRY(CLONE_NEWIPC, "ipc");
{ int ret; struct cr_img *img; UtsnsEntry *ue; struct sysctl_req req[] = { { "kernel/hostname" }, { "kernel/domainname" }, }; img = open_image(CR_FD_UTSNS, O_RSTR, pid); if (!img) return -1; ret = pb_read_one(img, &ue, PB_UTSNS); if (ret < 0) goto out; req[0].arg = ue->nodename; req[0].type = CTL_STR(strlen(ue->nodename)); req[1].arg = ue->domainname; req[1].type = CTL_STR(strlen(ue->domainname)); ret = sysctl_op(req, ARRAY_SIZE(req), CTL_WRITE, CLONE_NEWUTS); utsns_entry__free_unpacked(ue, NULL); out: close_image(img); return ret; } struct ns_desc uts_ns_desc = NS_DESC_ENTRY(CLONE_NEWUTS, "uts");